Analysis by: Erika Bianca Mendoza
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Once running, it listens to port 8585 to perform certain commands coming from a remote user. It also connects to the SQL server {BLOCKED}.{BLOCKED}.80.34 using particular credentials.

This hacking tool may be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

Ports: Port 8585 (Unassigned)
File Size: 8,192 bytes
Memory Resident: Yes
Initial Samples Received Date: 27 Sep 2011
Payload: Connects to URLs/IPs

Arrival Details

This hacking tool may be unknowingly downloaded by a user while visiting malicious websites.

NOTES:

Once running, it listens to port 8585 for the following commands coming from a remote user:

  • _CON - sends control message to an IP (RF port) specified in the command
  • _CTN - cotton control
  • _CTNLIST - cotton state scan, list cotton from database
  • _DOOR - door control
  • _DOORLIST - door state scan, list doors from database
  • _IP - similar to _CON
  • _LOG - (Login) sends a list of server IP, video port, pan tilt port and RF port coming from a database
  • _MAG - magnetic state scan, list magnetic sensor names from database
  • _MOB - get list of phones
  • _MOD - get current mode
  • _MON - loads the following executable files then return the current port:
    • c:\Umao_Server\Launcher.exe
    • c:\Umao_Server\SaverTest.exe
  • _MOVE - move sensor state scan, list move sensor names from database
  • _NAM - update device name in database
  • _PON - register phone
  • _POS - get sales information of a phone number by connecting to the following URL:
    • http://www.{BLOCKED}s.co.kr/ANYPOS/DYENC.jsp?MOBILE={phone number}
  • _REG - register device
  • _RFINIT - initialize RF
  • _SEN - monitor sensor events and list sensor/door name and time of activity, send the information to phone numbers obtained from the database using ./x_test.exe
  • _SUBINIT - initialize remote controller

  SOLUTION

Minimum Scan Engine: 9.200

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Identify and terminate files detected as HKTL_JUMAO

[ Learn More ]
  1. For Windows 98 and ME users, Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Scan your computer with your Trend Micro product to delete files detected as HKTL_JUMAO If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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